3 years ago

What is the probability an individual student likes between 3 and 7 songs from Aesop Rock?

Mathematics

1 answer:

den301095 [7]3 years ago

7 0

Answer:

BiG ChUnGuS moo

Step-by-step explanation:

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Automobile mechanics conduct diagnostic tests on 150 new cars of a particular make and model to determine the extent to which th

Aleks04 [339]

Answer:

99% Confidence interval: (0.185,0.375)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 150

Number of cars that have faulty catalytic converters, x = 42

$\hat{p} = \dfrac{x}{n} = \dfrac{42}{150} = 0.28$

99% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.01} = \pm 2.58$

Putting the values, we get:

$0.28\pm 2.58(\sqrt{\frac{0.28(1-0.28)}{150}}) = 0.28\pm 0.095\\\\=(0.185,0.375)$

The 99% confidence interval for the true proportion of new cars with faulty catalytic converters is (0.185,0.375)

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3 years ago

the markup on a restaurant meal is 250%. A meal costs $7.30 to produce. How much will the customer be charged before tax and tip

monitta

2.5 times 7.3=18.25
it costs $18.25

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2 years ago

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Which of the following graphs represent the dilation of

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Step-by-step explanation:

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2 years ago

Michael made 9/12 of his free throws at practice what is 9/12 in simplest form

Eva8 [605]

9/12 in simplest form is 3/4

9/12 (divide each number by 3)
3/4

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3 years ago

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Subtract.<br><br> 5/7−2/5<br><br> Enter your answer as a fraction in simplest form

Ira Lisetskai [31]

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8/35

Step-by-step explanation:

5/7-2/5=25/35-17/35=25-17/35=8/35

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